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how can I see what ports mongo is listening on from mongo shell?
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Try this:
db.runCommand({whatsmyuri : 1})
It will display both the IP address and the port number.
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How can I apply a function to every row/column of a matrix in MATLAB?
... I would test performance of this approach for any particular case against simple for-loop, which might be faster then converting a matrix to cell array. Use tic/tac wrap to test.
– yuk
Feb 21 '10 at 23:13
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Share cookie between subdomain and domain
...nd only a leading dot (.mydomain.com) would allow it to be used across multiple subdomains (but not the top-level domain, so what you ask was not possible in the older spec).
However, all modern browsers respect the newer specification RFC 6265, and will ignore any leading dot, meaning you can use ...
Getting current device language in iOS?
... header information from NSLocale.h:
+ (NSArray *)preferredLanguages NS_AVAILABLE(10_5, 2_0); // note that this list does not indicate what language the app is actually running in; the [NSBundle mainBundle] object determines that at launch and knows that information
People interested in app langu...
Minimal web server using netcat
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From man for nc, -p description: It is an error to use this option in conjunction with the -l option
– sbeliakov
Nov 24 '16 at 14:59
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Bitwise operation and usage
... # Convert string to hexadecimal number (base 16)
num = (int(value.lstrip("#"), 16))
# Shift 16 bits to the right, and then binary AND to obtain 8 bits representing red
r = ((num >> 16) & 0xFF)
# Shift 8 bits to the right, and then binary AND to obtain 8 bits representing...
(413) Request Entity Too Large | uploadReadAheadSize
... you'll have to delete it and re-add it. Run netsh http delete sslcert <ipaddress>:<port> where <ipaddress>:<port> is the IP:port shown in the configuration you saved earlier.
Now you can re-add the binding. You can view the valid parameters for netsh http add sslcert here (M...
How to set up Spark on Windows?
...this version: Hadoop 2 (HDP2, CDH5)
Since version 1.0.0 there are .cmd scripts to run spark in windows.
Unpack it using 7zip or similar.
To start you can execute /bin/spark-shell.cmd --master local[2]
To configure your instance, you can follow this link: http://spark.apache.org/docs/latest/
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Pacman: how do the eyes find their way back to the monster hole?
I found a lot of references to the AI of the ghosts in Pacman, but none of them mentioned how the eyes find their way back to the central ghost hole after a ghost is eaten by Pacman.
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Get difference between 2 dates in JavaScript? [duplicate]
...ur 25 hour day in the calculated span. It would be helpful to consult a detailed treatment of UTC (Universal Coordinated Time) and "civil" time standards before devising a calculation such as this. A day is not a always 86,400 seconds, not even in UTC. However, ECMA standards state that it will not ...